216031065875 has 8 divisors (see below), whose sum is σ = 269606770368. Its totient is φ = 172824852600.

The previous prime is 216031065857. The next prime is 216031065959. The reversal of 216031065875 is 578560130612.

216031065875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 216031065875 - 2¹⁴ = 216031049491 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 864124139 + ... + 864124388.

It is an arithmetic number, because the mean of its divisors is an integer number (33700846296).

Almost surely, 2^216031065875 is an apocalyptic number.

216031065875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

216031065875 is a deficient number, since it is larger than the sum of its proper divisors (53575704493).

216031065875 is an equidigital number, since it uses as much as digits as its factorization.

216031065875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728248542 (or 1728248532 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 216031065875 in words is "two hundred sixteen billion, thirty-one million, sixty-five thousand, eight hundred seventy-five".